The stamps for your letters
Stamps CHF 1.10 «100 years Association of Swiss Archivists», Sheet with 10 stamps
Sheet «100 years Association of Swiss Archivists», gummed, mint
CHF 22.00
Memento
Cancelled First-day cover «100 years Association of Swiss Archivists»
Single stamp (1 stamp, postage value CHF 1.10) on first-day cover (FDC) C6
CHF 2.00